label7.vl

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    "data": {
        "format": {
            "parse": {
                "year": "date:'%Y'"
            }
        },
        "values": [
            {
                "population": 1309,
                "year": "1875"
            },
            {
                "population": 1558,
                "year": "1890"
            },
            {
                "population": 4512,
                "year": "1910"
            },
            {
                "population": 8180,
                "year": "1925"
            },
            {
                "population": 15915,
                "year": "1933"
            },
            {
                "population": 24824,
                "year": "1939"
            },
            {
                "population": 28275,
                "year": "1946"
            },
            {
                "population": 29189,
                "year": "1950"
            },
            {
                "population": 29881,
                "year": "1964"
            },
            {
                "population": 26007,
                "year": "1971"
            },
            {
                "population": 24029,
                "year": "1981"
            },
            {
                "population": 23340,
                "year": "1985"
            },
            {
                "population": 22307,
                "year": "1989"
            },
            {
                "population": 22087,
                "year": "1990"
            },
            {
                "population": 22139,
                "year": "1991"
            },
            {
                "population": 22105,
                "year": "1992"
            },
            {
                "population": 22242,
                "year": "1993"
            },
            {
                "population": 22801,
                "year": "1994"
            },
            {
                "population": 24273,
                "year": "1995"
            },
            {
                "population": 25640,
                "year": "1996"
            },
            {
                "population": 27393,
                "year": "1997"
            },
            {
                "population": 29505,
                "year": "1998"
            },
            {
                "population": 32124,
                "year": "1999"
            },
            {
                "population": 33791,
                "year": "2000"
            },
            {
                "population": 35297,
                "year": "2001"
            },
            {
                "population": 36179,
                "year": "2002"
            },
            {
                "population": 36829,
                "year": "2003"
            },
            {
                "population": 37493,
                "year": "2004"
            },
            {
                "population": 38376,
                "year": "2005"
            },
            {
                "population": 39008,
                "year": "2006"
            },
            {
                "population": 39366,
                "year": "2007"
            },
            {
                "population": 39821,
                "year": "2008"
            },
            {
                "population": 40179,
                "year": "2009"
            },
            {
                "population": 40511,
                "year": "2010"
            },
            {
                "population": 40465,
                "year": "2011"
            },
            {
                "population": 40905,
                "year": "2012"
            },
            {
                "population": 41258,
                "year": "2013"
            },
            {
                "population": 41777,
                "year": "2014"
            }
        ]
    },
    "description": "The population of the German city of Falkensee over time with annotated time periods highlighted",
    "layer": [
        {
            "data": {
                "format": {
                    "parse": {
                        "end": "date:'%Y'",
                        "start": "date:'%Y'"
                    }
                },
                "values": [
                    {
                        "end": "1945",
                        "event": "Nazi Rule",
                        "start": "1933"
                    },
                    {
                        "end": "1989",
                        "event": "GDR (East Germany)",
                        "start": "1948"
                    }
                ]
            },
            "encoding": {
                "color": {
                    "field": "event",
                    "type": "nominal"
                },
                "x": {
                    "axis": null,
                    "field": "start",
                    "timeUnit": "year",
                    "type": "temporal"
                },
                "x2": {
                    "field": "end",
                    "timeUnit": "year"
                }
            },
            "mark": "rect"
        },
        {
            "encoding": {
                "color": {
                    "value": "#333"
                },
                "x": {
                    "axis": {
                        "title": null
                    },
                    "field": "year",
                    "timeUnit": "year",
                    "type": "temporal"
                },
                "y": {
                    "field": "population",
                    "type": "quantitative"
                }
            },
            "mark": "line"
        },
        {
            "encoding": {
                "color": {
                    "value": "#333"
                },
                "x": {
                    "axis": {
                        "title": null
                    },
                    "field": "year",
                    "timeUnit": "year",
                    "type": "temporal"
                },
                "y": {
                    "field": "population",
                    "type": "quantitative"
                }
            },
            "mark": "point"
        }
    ],
    "width": 500
}